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SQL Schema There is a table World + + + + + + | name | continent | area | population | gdp | + + + + + + | Afghanistan | Asia | 652230 | 25500100 | 20 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Given a list of strings words representing an English Dictionary, find the longest word in words that can be built one character at a time by other wo 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Given an array nums and a value val, remove all instances of that value in place and return the new length. Do not allocate extra space for another ar 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Given an integer, return its base 7 string representation. Example 1: Input: 100 Output: "202" Example 2: Input: 7 Output: " 10" Note: The input will 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive intege 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Write a function that takes an unsigned integer and returns the number of '1' bits it has (also known as the Hamming weight). Example 1: Input: 11 Out 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]). F 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6,7,0,1,2]). F 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) Push element x onto stack. pop() Removes the 阅读全文
posted @ 2018-11-30 15:17
bernieloveslife
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Given a non negative integer numRows, generate the first numRows of Pascal's triangle. In Pascal's triangle, each number is the sum of the two numbers 阅读全文
posted @ 2018-11-30 15:16
bernieloveslife
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